Which structures perform the function of mitochondria in bacteria?

Options

(a) Nucleoid
(b) ribosomes
(c) Cell wall
(d) Mesosomes

Correct Answer:

Mesosomes

Explanation:

In some bacteria (e.g., Bacillus subtilis) the plasma membrane form certain invaginations or in foldings called mesosomes in the cytoplasm. The mesosomes have various functions, viz., respiratory, secretory etc.